For example,
When we are make an online purchase, we need to do an online payment. The moment we key in our credit card numbers or other personal data on the websites, how sure are we that our information will be confidential, safe and secure?
Why do we need to protect our personal and financial data? Major security issues are authentication, authorization, auditing, confidentiality, integrity, availability, and nonrepudiation. The main reason is to prevent unauthorized access of hackers or crackers that will bring harm or losses. (http://en.wikipedia.org/wiki/Hacker_(computer_security, http://en.wikipedia.org/wiki/Hacker_(computer_security)#Black_hat)
How to safeguard our personal and financial data in the Internet, the public network? Some of the most often used methods to safeguard your personal data and financial data are:-
1. Authentication System
Authentication system identifies the legitimate parties to a transaction and determines the actions they are allowed to perform. This system also limits their action to only those that are necessary to initiate and complete the transaction. It included.
· Access control mechanism – limits the actions that can be performed but an authentication person or group.
· Passive tokens – storage devices (e.g. magnetic strips) used in a 2 factor authentication system that contain a secret code.
· Active tokens – small, stand-alone electronic devices in a two factor authentication system that generate one-time password.
· Biometric systems – authentication system that indentify a person by measurement of a biological characteristic such as fingerprint, iris pattern, facial features or voice.
2. Public key infrastructure (PKI)
A scheme for securing e-payment using public key encryption and various technical components.
3. Private and public key encryption
Encryption is the process of scrambling a message in such a way that is difficult, expenses, one time consuming for an unauthorized person to unscramble it.
· Symmetric (private) key system
An encryption system that uses the same key to encrypt and decrypt the message
· Asymmetric (public) key encryption
Method of encryption that uses a pair of matched keys – a public key to encrypt a message and a private key to decrypt it, or vice versa.
4. Digital signature and certificates
· Digital signature
an identifying code that can be used to authenticate the identity of the sender of a document
· Hash
a mathematical computation that is applied to a message, using a private key, to encrypt the message.
· Message digest
a summary of a message, converted into a string of digits, after the hash has been applied.
· Digital envelope
the combination of the encrypted original message and the digital signature, using the recipient’s public key
· Digital certificate
Verification that the holder of a public or private key is who they claim to be
· Certificate authorities (CAs)
Third parties that issue digital certificates
5. Secure socket layer (SSL)
Protocol that utilizes standard certificates for authentication and data encryption to ensure privacy or confidentiality
6. Secure electronic transaction (SET)
A protocol designed to provide secure online credit card transactions for both consumers and merchants; developed jointly by Netscape, Visa, MasterCard, and others
7. Firewall
Software application that acts as a filter between a company’s private network and the Internet
Good security is just plain good business. Aware of the risk of identity theft, today’s customers are concerned about their privacy. All business owners know that customers prefer companies that demonstrate commitments to security. For the same reasons, customers will think twice before doing business with a company that has got less experience on privacy issues.
53 comments:
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good info about the security methods there, good sharing of info about security measurement, it's advance and secure, sounds tough and not easily breached.. thanks for info sharing
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